1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Kenneth Almquist. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)options.h 8.2 (Berkeley) 5/4/95 37 * $Id: options.h,v 1.2 1994/09/24 02:58:05 davidg Exp $ 38 */ 39 40 struct shparam { 41 int nparam; /* number of positional parameters (without $0) */ 42 char malloc; /* true if parameter list dynamicly allocated */ 43 char **p; /* parameter list */ 44 char **optnext; /* next parameter to be processed by getopts */ 45 char *optptr; /* used by getopts */ 46 }; 47 48 49 50 #define eflag optlist[0].val 51 #define fflag optlist[1].val 52 #define Iflag optlist[2].val 53 #define iflag optlist[3].val 54 #define mflag optlist[4].val 55 #define nflag optlist[5].val 56 #define sflag optlist[6].val 57 #define xflag optlist[7].val 58 #define vflag optlist[8].val 59 #define Vflag optlist[9].val 60 #define Eflag optlist[10].val 61 #define Cflag optlist[11].val 62 #define aflag optlist[12].val 63 #define bflag optlist[13].val 64 #define uflag optlist[14].val 65 66 #define NOPTS 15 67 68 struct optent { 69 const char *name; 70 const char letter; 71 char val; 72 }; 73 74 #ifdef DEFINE_OPTIONS 75 struct optent optlist[NOPTS] = { 76 { "errexit", 'e', 0 }, 77 { "noglob", 'f', 0 }, 78 { "ignoreeof", 'I', 0 }, 79 { "interactive",'i', 0 }, 80 { "monitor", 'm', 0 }, 81 { "noexec", 'n', 0 }, 82 { "stdin", 's', 0 }, 83 { "xtrace", 'x', 0 }, 84 { "verbose", 'v', 0 }, 85 { "vi", 'V', 0 }, 86 { "emacs", 'E', 0 }, 87 { "noclobber", 'C', 0 }, 88 { "allexport", 'a', 0 }, 89 { "notify", 'b', 0 }, 90 { "nounset", 'u', 0 }, 91 }; 92 #else 93 extern struct optent optlist[NOPTS]; 94 #endif 95 96 97 extern char *minusc; /* argument to -c option */ 98 extern char *arg0; /* $0 */ 99 extern struct shparam shellparam; /* $@ */ 100 extern char **argptr; /* argument list for builtin commands */ 101 extern char *optarg; /* set by nextopt */ 102 extern char *optptr; /* used by nextopt */ 103 104 void procargs __P((int, char **)); 105 void optschanged __P((void)); 106 void setparam __P((char **)); 107 void freeparam __P((struct shparam *)); 108 int shiftcmd __P((int, char **)); 109 int setcmd __P((int, char **)); 110 int getoptscmd __P((int, char **)); 111 int nextopt __P((char *)); 112